THK's BIF SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. This innovative design incorporates a unique caged ball retainer system that fundamentally transforms the operational dynamics of traditional ball screws. By separating individual recirculating balls within a polymer cage, the BIF SERIES eliminates ball-to-ball contact, dramatically reducing friction, heat generation, and noise levels during operation. The result is a ball screw that maintains superior precision while operating at higher speeds and with significantly longer service life compared to conventional designs. Technical features of the BIF SERIES include precision-ground screw shafts with accuracies meeting JIS Class C0 or higher standards, ensuring minimal axial play and consistent positioning repeatability. The caged ball design provides excellent lubricant retention, reducing maintenance frequency while enhancing operational reliability. These ball screws are available in various diameters and lead configurations to accommodate diverse application requirements, with pre-loaded nut options that eliminate backlash for ultra-precise positioning tasks. The series also features enhanced dust and contaminant resistance through optimized sealing systems, making them suitable for challenging operating environments. Performance advantages extend beyond the basic friction reduction. The elimination of ball-to-ball contact results in up to 85% less torque variation, enabling smoother motion profiles and more precise velocity control. This characteristic makes the BIF SERIES particularly valuable for applications requiring high-speed reciprocating motion or rapid acceleration/deceleration cycles. The reduced heat generation allows for continuous operation at higher speeds without thermal expansion compromising accuracy, while the lower noise output creates better working environments in noise-sensitive applications. Maintenance intervals can be extended by up to three times compared to standard ball screws, reducing total cost of ownership through decreased downtime and lubricant consumption. Typical applications span multiple industries where precision, reliability, and high-speed performance are critical. In industrial machinery, BIF SERIES ball screws excel in CNC machining centers, semiconductor manufacturing equipment, and precision assembly systems where sub-micron positioning accuracy is required. The automotive industry utilizes these components in electric power steering systems, automated welding robots, and precision testing equipment. For medical and laboratory equipment, the smooth, quiet operation and contamination-resistant design make them ideal for MRI machines, analytical instruments, and surgical robotics. The series also finds extensive use in electronic component manufacturing, optical positioning systems, and any application where traditional ball screws would suffer from shortened lifespan due to high-speed operation or inadequate lubrication.

THK's BIF V SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered specifically for applications demanding exceptional accuracy, rigidity, and long-term reliability. This model incorporates a unique caged ball design that fundamentally enhances performance by separating individual recirculating balls within a dedicated retainer. This construction eliminates ball-to-ball contact, drastically reducing friction, heat generation, and torque fluctuation. The result is a smoother, quieter, and more efficient operation compared to conventional ball screws, with a marked improvement in positional stability and consistency. Key technical features of the BIF V SERIES underscore its high-performance capabilities. The caged ball mechanism not only minimizes vibration and noise but also substantially extends the component's service life by preventing abrasive wear between the balls. This design allows for higher maximum operating speeds and faster accelerations, making it ideal for dynamic, high-cycle processes. Furthermore, the series is manufactured to exacting precision grades, ensuring minimal axial play and highly repeatable positioning. The robust construction provides superior rigidity and load capacity, capable of handling significant moment loads in multiple directions. Many models are also available with optional pre-load adjustments and various sealing solutions to exclude contaminants, ensuring reliable performance even in harsh industrial environments. The performance advantages translate directly into tangible benefits for demanding sectors. In industrial machinery, the BIF V SERIES is indispensable for high-speed machining centers, CNC lathes, and industrial robots where precision, speed, and minimal downtime are critical. Its ability to maintain accuracy over millions of cycles enhances manufacturing quality and throughput. Within automotive production systems, these ball screws are deployed in precision assembly robots, automated welding equipment, and high-speed transfer lines, where their durability and resistance to shock loads ensure uninterrupted production. In the realm of precision equipment, the BIF V SERIES is the driving component of choice for semiconductor manufacturing apparatus, precision measuring instruments, and medical device automation. The exceptional smoothness and minimal vibration are paramount for achieving the micron-level accuracies required in these sensitive applications. By delivering a combination of high speed, unparalleled precision, and exceptional longevity, the THK BIF V SERIES Caged Ball Screw provides a foundational technology that boosts productivity, enhances product quality, and reduces total cost of ownership across a wide spectrum of advanced automation.

The THK Ball Screw Precision, Caged Ball Screw Model BLK SERIES represents a significant advancement in linear motion technology, engineered to deliver exceptional accuracy, reliability, and longevity in demanding industrial environments. This series features a unique caged ball design that fundamentally enhances performance by preventing direct contact between balls, thereby minimizing friction, heat generation, and wear. The precision-ground screw shaft, paired with a nut incorporating a cage to retain and guide the balls, ensures smooth, consistent motion with minimal vibration and noise. Key technical specifications include high positional accuracy, with lead errors tightly controlled to meet rigorous standards, and repeatability that supports micron-level precision in automated systems. The BLK SERIES is available in various sizes and lead configurations to accommodate diverse load capacities and speed requirements, with preloaded options to eliminate backlash and enhance rigidity. Performance advantages of the BLK SERIES are substantial, starting with its ability to operate at higher speeds and under heavier loads compared to conventional ball screws, thanks to reduced friction and improved lubrication retention. The caged ball design significantly extends service life by preventing ball-to-ball contact, which reduces abrasive wear and the risk of jamming. This results in lower maintenance needs, reduced downtime, and overall cost savings. Additionally, the series offers superior efficiency, with a high mechanical efficiency rate that translates into energy savings and reduced operational costs. Its robust construction ensures stability and durability even in harsh conditions, such as those involving contaminants, high temperatures, or continuous operation cycles. The smooth motion profile minimizes resonance and enhances control, making it ideal for applications requiring precise positioning and smooth acceleration. Typical applications for the THK BLK SERIES span multiple high-precision industries. In industrial machinery, it is commonly used in CNC machining centers, where it provides the accuracy needed for complex milling, drilling, and turning operations, ensuring tight tolerances and high surface finish quality. In robotics and automation systems, the BLK SERIES enables precise joint movement and positioning in articulated arms, pick-and-place units, and assembly lines, contributing to increased throughput and repeatability. Within the automotive sector, these ball screws are integral to advanced manufacturing equipment, such as welding robots, painting systems, and engine assembly lines, where reliability and precision are critical for mass production efficiency. They also feature in precision equipment like semiconductor manufacturing tools, medical devices (e.g., MRI scanners and surgical robots), and optical positioning systems, where minimal backlash and high dynamic response are essential. By combining innovative design with proven performance, the THK BLK SERIES supports the evolution of smarter, more efficient machinery across these fields, driving productivity and technological advancement.

THK's BLW SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. This innovative design incorporates a unique caged ball mechanism that fundamentally enhances operational efficiency and reliability. Unlike conventional ball screws where balls can contact each other during operation, the BLW SERIES utilizes a specially designed cage to maintain consistent spacing between balls. This configuration drastically reduces friction, heat generation, and torque variation while eliminating ball-to-ball contact noise. The technical sophistication of the BLW SERIES extends beyond its caged ball system. These precision ball screws feature optimized recirculation paths that ensure smooth ball movement throughout the entire circuit, minimizing vibration and providing exceptionally stable motion characteristics. The precision-ground screw shafts achieve remarkable accuracy levels with lead errors maintained within strict tolerances, making them ideal for applications requiring precise positioning control. Enhanced sealing systems protect against contaminants while specialized wipers prevent foreign particle ingress, significantly extending service life even in harsh operating environments. Performance advantages of the BLW SERIES are substantial across multiple metrics. The reduced friction characteristics translate directly to higher mechanical efficiency, typically achieving 90% or greater, which consequently lowers drive motor requirements and reduces energy consumption. The elimination of ball-to-ball contact results in up to 10dB noise reduction compared to standard ball screws, creating quieter operating conditions. Enhanced lubrication retention within the cage structure ensures consistent performance over extended periods while reducing maintenance frequency. The design also demonstrates superior high-speed capabilities, with DN values reaching 160,000, and exhibits minimal torque fluctuation across the entire speed range. These performance characteristics make the BLW SERIES particularly well-suited for precision applications across multiple industries. In industrial automation, they excel in semiconductor manufacturing equipment, precision assembly robots, and CNC machine tools where accurate positioning and smooth motion are critical. The automotive industry utilizes these components in electric power steering systems, transmission manufacturing equipment, and automated welding systems where reliability and quiet operation are paramount. Precision equipment applications include medical devices such as CT scanners and surgical robots, optical positioning systems, and coordinate measuring machines that demand the highest levels of accuracy and repeatability. The combination of precision engineering, reduced maintenance requirements, and long-term reliability establishes the BLW SERIES as a superior solution for applications where performance consistency cannot be compromised.

THK's BNF SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. This innovative design incorporates a unique caged ball mechanism that fundamentally enhances operational characteristics compared to conventional ball screws. The series features precision-ground threads with tight tolerance manufacturing, ensuring minimal deviation and consistent performance across the entire length of the screw shaft. Available in various diameters and lead configurations, the BNF SERIES accommodates diverse load capacity and speed requirements while maintaining precise positioning accuracy. The technical features of the BNF SERIES center around its revolutionary caged ball design, which separates individual recirculating balls within a polymer retainer. This configuration eliminates ball-to-ball contact, dramatically reducing friction, heat generation, and noise during operation. The caged structure provides superior ball guidance through the recirculation path, ensuring smooth motion transmission and eliminating the slippage issues common in traditional designs. Enhanced sealing mechanisms protect against contamination in harsh environments, while specialized lubrication systems extend service intervals and component lifespan. The series maintains high rigidity through optimized nut design and precision-matched components, capable of withstanding significant moment loads while preserving alignment accuracy. Performance advantages of this caged ball technology translate directly to operational benefits across multiple parameters. The reduction in friction coefficients results in higher mechanical efficiency, typically achieving 90% or greater, which translates to lower drive torque requirements and reduced energy consumption. The elimination of ball-to-ball contact significantly decreases wear rates, extending maintenance cycles and operational lifespan by up to three times compared to standard ball screws. Lower operating temperatures enable higher maximum speeds without degradation in performance, while the stable ball circulation provides exceptional smoothness at both high velocities and micro-movement ranges. The design demonstrates minimal torque variation throughout the stroke, contributing to consistent positioning repeatability within microns. Typical applications for the BNF SERIES span precision industries where reliability and accuracy are paramount. In industrial automation, these components drive positioning tables in semiconductor manufacturing equipment, coordinate measuring machines, and precision assembly systems requiring sub-micron repeatability. The automotive industry employs them in electric power steering mechanisms, transmission testing equipment, and robotic welding cells where smooth motion and long-term reliability are essential. Medical device manufacturers utilize BNF ball screws in diagnostic imaging systems, surgical robots, and laboratory automation equipment where quiet operation and contamination resistance are critical. Additional applications include precision machine tools, optical positioning systems, and aerospace testing apparatus where the combination of high speed, accuracy, and durability delivers superior performance in challenging operational environments.

The THK BNFN SERIES Caged Ball Screw represents a significant advancement in linear motion technology, engineered to deliver exceptional precision, reliability, and longevity in demanding applications. This model incorporates a unique caged ball design that fundamentally enhances performance by separating individual recirculating balls within a polymer cage. This construction eliminates ball-to-ball contact, drastically reducing friction, heat generation, and torque fluctuation. The result is a smoother, quieter, and more efficient operation compared to conventional ball screws, with a markedly extended service life even under high-speed or continuous duty cycles. Key technical features define the superiority of the BNFN SERIES. The precision-ground screw shaft ensures high positional accuracy and repeatability, which is critical for applications requiring meticulous movement control. The caged ball nut not only minimizes noise and vibration but also allows for a higher ball count and optimized contact angle, leading to a substantial increase in load capacity—both dynamic and static. Furthermore, the design effectively prevents ball jamming and reduces the risk of seal wear, contributing to lower maintenance requirements and enhanced operational stability. The series is available in a range of lead and accuracy grades to suit specific application needs, from general automation to ultra-precise positioning systems. The performance advantages of the BNFN SERIES translate directly into tangible benefits for machinery and equipment. Its high efficiency and low heat generation enable faster traverse speeds without compromising accuracy or component lifespan. The reduced torque variation ensures consistent performance, which is vital for processes involving delicate handling or precise force control. The inherent durability and reliability of the caged design minimize unplanned downtime, making it a cost-effective solution for high-throughput production environments. Typical applications for the THK BNFN Caged Ball Screw are found across industries where precision and reliability are paramount. In industrial machinery, it is extensively used in CNC machining centers for precise table and tool head positioning, in semiconductor manufacturing equipment for wafer handling and lithography stages, and in industrial robots for accurate arm articulation. Within automotive systems, these ball screws are critical components in electric power steering (EPS) systems for precise steering force control, in automated assembly and testing lines for engine and transmission production, and in brake actuator systems. For precision equipment, the BNFN SERIES is ideal for applications such as medical imaging devices like CT and MRI scanners, laboratory automation systems for sample processing, and optical positioning systems in measurement and inspection apparatus. Its combination of high precision, smooth motion, and robust construction makes it an indispensable component for advancing automation and technological capabilities.

The THK BNFN V SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional accuracy, reliability, and longevity in demanding industrial applications. This model incorporates a unique caged ball design that fundamentally enhances performance by preventing direct ball-to-ball contact, which minimizes friction, reduces heat generation, and virtually eliminates the risk of ball jamming. The result is a smoother, more consistent operation with significantly lower torque variation and noise levels compared to conventional ball screws. Precision-ground threads ensure exacting lead accuracy, with grades as tight as C3 or better, making it ideal for applications requiring meticulous positional control. Key technical features of the BNFN V SERIES include its optimized cage structure, which securely retains the balls even during high-speed or reverse motion, ensuring stable recirculation and reducing wear on the screw and nut. The screw shafts are manufactured from high-carbon chromium bearing steel, heat-treated to achieve superior surface hardness and core toughness, providing excellent resistance to abrasion and fatigue. The nut bodies are precision-machined with integral wipers to exclude contaminants and retain lubrication, extending service intervals and operational life. Preloading options allow for adjustable rigidity and elimination of axial play, catering to applications with varying load and precision requirements. Performance advantages are substantial across multiple metrics. The caged ball system enables higher maximum speeds and accelerations due to reduced centrifugal forces on the balls and lower operating temperatures. This design also enhances durability, with calculated service lives often exceeding standard ball screws by mitigating skidding and slippage. Efficiency remains consistently high, typically above 90%, translating to lower power consumption for the same output. The BNFN V SERIES excels in environments where precision, speed, and reliability are non-negotiable, offering minimal maintenance needs and reduced total cost of ownership through extended component life and consistent performance. Typical applications span critical sectors where precision linear motion is paramount. In industrial machinery, these ball screws are integral to CNC machining centers, high-speed pick-and-place robots, and precision grinding equipment, where they ensure repeatable positioning and smooth traverse motions. Within automotive manufacturing systems, they drive automation in assembly lines, operate in welding robots, and control positioning in engine machining tools, handling dynamic loads with precision. In precision equipment, the BNFN V SERIES is found in semiconductor manufacturing apparatus, optical alignment systems, and medical device automation, where its accuracy and low vibration are essential for micron-level tolerances and flawless operation.

THK's BNF V SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. This model incorporates a unique caged ball design that fundamentally enhances operational reliability and efficiency. The core innovation lies in its use of a specialized retainer to separate individual balls within the nut, effectively eliminating ball-to-ball contact. This design drastically reduces friction, heat generation, and torque variation, resulting in smoother motion, extended service life, and consistent precision even under high-speed or heavy-load conditions. Key technical features of the BNF V SERIES include its optimized ball circulation path, which minimizes vibration and noise while maintaining precise ball guidance. The screw shafts are manufactured from high-grade steel, subjected to rigorous heat treatment processes to achieve superior surface hardness and wear resistance. Precision grinding ensures tight lead accuracy, typically within microns per 300mm travel, making it suitable for applications requiring exact positioning. The nut design incorporates preloading adjustments to eliminate backlash, providing high rigidity and repeatability. Sealing systems are enhanced to prevent contamination from dust, chips, or moisture, ensuring reliable operation in harsh environments. Performance advantages are substantial across multiple metrics. The caged ball system reduces operational torque by up to 30% compared to conventional ball screws, translating to lower energy consumption and reduced heat buildup. This design also allows for higher maximum speeds, with DN values reaching 160,000 or more, facilitating rapid cycling in automated systems. Maintenance intervals are extended due to reduced wear on ball tracks and the elimination of ball skidding. The inherent stability of the caged design minimizes torque fluctuation, contributing to smoother acceleration and deceleration profiles, which is critical for precision machining and positioning tasks. Typical applications span industries where precision, reliability, and high-speed performance are paramount. In industrial machinery, the BNF V SERIES is deployed in CNC machining centers for precise tool positioning, semiconductor manufacturing equipment requiring sub-micron accuracy, and robotic arms demanding high repeatability. Automotive systems utilize these ball screws in electric power steering mechanisms for responsive control, automated assembly lines for consistent part handling, and brake testing equipment requiring precise linear force application. Precision equipment applications include medical devices such as MRI positioning systems, optical alignment instruments in metrology, and aerospace actuation systems where reliability under extreme conditions is essential. The series' ability to maintain precision while operating at elevated speeds makes it particularly valuable in modern automation, where throughput and accuracy must coexist without compromise.

The THK BNT SERIES Caged Ball Screw represents a significant advancement in linear motion technology, specifically engineered to address the demanding requirements of high-speed, high-precision, and high-load applications. This model fundamentally re-engineers the traditional ball screw by incorporating a unique polymer cage that separates and guides the individual recirculating balls. This core design innovation eliminates ball-to-ball contact, drastically reducing friction, heat generation, and torque fluctuation compared to conventional, non-caged ball screw designs. The result is a linear actuator that delivers exceptionally smooth, quiet, and consistent motion, which is critical for maintaining precision and extending the operational lifespan of both the screw and the machinery it serves. Key technical features of the BNT SERIES underscore its performance superiority. The caged ball design is the cornerstone, ensuring stable ball circulation even under extreme acceleration and deceleration, effectively preventing skidding and minimizing noise. This construction allows for significantly higher maximum rotational speeds, often doubling or even tripling the operational speed limits of standard ball screws. Furthermore, the reduction in friction directly translates to lower operational temperatures, which preserves lubricant integrity and prevents thermal expansion that can compromise positioning accuracy. THK manufactures these components with meticulous precision grinding, achieving high lead accuracy grades (e.g., C3, C5) to ensure precise and repeatable linear positioning. The series is available in a range of diameters and lead configurations, offering designers the flexibility to optimize for speed or resolution. The performance advantages of the BNT SERIES make it an indispensable component across various high-tech industries. In industrial automation and machinery, these ball screws are the driving force behind high-speed pick-and-place robots, precision CNC machining centers, and automated assembly lines where rapid, accurate, and reliable positioning directly impacts throughput and product quality. Within the automotive manufacturing sector, they are deployed in high-duty-cycle equipment such as laser welding systems, precision stamping presses, and advanced component testing rigs, where their durability and speed are essential for meeting stringent production targets. In the realm of precision equipment, the BNT SERIES is found in semiconductor manufacturing apparatus, including wafer steppers and wire bonders, where sub-micron accuracy and minimal vibration are non-negotiable. It is also critical in medical device manufacturing and diagnostic imaging systems, where smooth, quiet, and flawless motion is paramount. By delivering a combination of unparalleled speed, exceptional precision, and superior reliability, the THK BNT SERIES Caged Ball Screw provides a foundational technology that enables the next generation of advanced machinery and equipment.

THK's DIK SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional accuracy, reliability, and longevity in demanding applications. This innovative design incorporates a unique caged ball mechanism that fundamentally enhances performance by separating and guiding individual balls within the nut assembly. Unlike conventional ball screws where balls can contact each other during operation—leading to friction, heat generation, and potential wear—the DIK SERIES utilizes a precisely engineered cage to maintain consistent ball spacing. This configuration drastically reduces rotational torque fluctuations, minimizes heat buildup, and virtually eliminates the risk of ball-to-ball contact, resulting in smoother motion, improved positional accuracy, and extended service life. Key technical features of the DIK SERIES include its ability to achieve high rotational speeds while maintaining stability, thanks to reduced vibration and noise levels inherent in the caged design. The screw shafts are manufactured from high-grade steel, precision-ground to exacting tolerances, ensuring minimal lead error and repeatable positioning. The nut assembly is compact yet robust, featuring optimized recirculation paths that enhance lubrication retention and distribution. This design also allows for preloading adjustments to eliminate backlash, making it ideal for applications requiring high rigidity and precise motion control. Additionally, the series is available in various accuracy grades and lead configurations to suit specific operational requirements. Performance advantages are substantial across multiple metrics. The reduction in friction and heat generation not only lowers energy consumption but also permits higher operational speeds without compromising component integrity. Enhanced durability translates to reduced maintenance intervals and longer replacement cycles, lowering total cost of ownership. The consistent torque characteristics ensure predictable behavior under varying loads, which is critical for automated processes and precision machining. Furthermore, the caged ball design improves contamination resistance compared to open-style ball screws, though additional seals can be integrated for harsh environments. Typical applications span industries where precision and reliability are paramount. In industrial machinery, the DIK SERIES is deployed in CNC machining centers, semiconductor manufacturing equipment, and robotic automation systems, where it facilitates high-speed positioning and contouring with micron-level accuracy. Automotive systems leverage these ball screws in electric power steering mechanisms, transmission testing rigs, and assembly line robots, benefiting from their smooth operation and resistance to wear under cyclic loads. Precision equipment such as medical imaging devices, optical alignment instruments, and coordinate measuring machines rely on the DIK SERIES for its minimal vibration and exceptional repeatability, ensuring consistent performance in sensitive environments. By combining innovative caged ball technology with THK's manufacturing expertise, this series sets a benchmark for precision linear motion components in modern engineering applications.

THK's DK SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, specifically engineered to deliver exceptional accuracy, reliability, and longevity in demanding applications. This model incorporates a unique caged ball design where the recirculating balls are separated and guided by a specially engineered cage, eliminating ball-to-ball contact during operation. This fundamental design innovation drastically reduces friction, heat generation, and torque variation compared to conventional ball screws. The result is a smoother, more consistent motion profile that is critical for high-precision positioning. The technical features of the DK SERIES are meticulously crafted for superior performance. The caged ball mechanism not only minimizes friction but also virtually eliminates the risk of ball jamming and skidding, common failure modes in standard designs. This leads to a substantial reduction in noise and vibration, creating a quieter operating environment. The balls are consistently and optimally preloaded, ensuring zero backlash and maintaining high rigidity under varying loads. Furthermore, the design allows for effective lubrication retention within the nut, promoting a long service life even in high-speed or continuous duty cycles. The series is available in a range of accuracies and lead configurations to meet specific application requirements, from standard precision to ultra-high precision grades. The performance advantages translate directly into tangible benefits for end-users. The dramatic reduction in friction results in higher mechanical efficiency, which can lower energy consumption and reduce the thermal expansion of the screw shaft, thereby preserving positioning accuracy over extended periods. The enhanced durability and reliability mean less frequent maintenance, reduced downtime, and lower total cost of ownership. The stable torque characteristics ensure consistent performance from startup through high-speed operation, which is paramount for processes requiring repeatable, high-speed cycling. These attributes make the THK DK SERIES Caged Ball Screw ideally suited for a wide spectrum of high-performance applications. In industrial machinery, it is the driving force behind precision CNC machining centers, high-speed pick-and-place robots, and automated assembly systems where micron-level accuracy and high throughput are non-negotiable. Within the automotive industry, these components are integral to advanced manufacturing equipment for engine machining, transmission assembly, and robotic welding cells, where reliability under heavy loads and continuous operation is critical. In the realm of precision equipment, the DK SERIES is found in semiconductor manufacturing apparatus, such as steppers and wire bonders, medical imaging devices like CT and MRI scanners, and precision measuring instruments, where smooth, quiet, and vibration-free motion is essential for achieving flawless results. By delivering unmatched precision, speed, and durability, the THK DK SERIES establishes a new benchmark for performance in linear motion systems.

The THK DKN SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered specifically for applications demanding exceptional accuracy, reliability, and longevity. This model incorporates a unique caged ball design that fundamentally improves upon conventional ball screw mechanisms by enclosing each recirculating ball within an individual polymer cage. This configuration prevents direct ball-to-ball contact, drastically reducing friction, heat generation, and wear. The result is a drastic reduction in torque fluctuation and a more consistent, smooth motion profile essential for high-precision positioning. Key technical features define the DKN SERIES's superior performance. The caged ball retainer system is its cornerstone, virtually eliminating metal-on-metal contact between balls to minimize wear debris and the risk of seizure under high-speed or high-load conditions. This design inherently provides excellent lubrication retention, extending maintenance intervals and operational life even in environments where re-lubrication is challenging. The screws are manufactured from high-grade steel, precision-ground to achieve lead accuracies of grade C5 or better, ensuring minimal deviation over the entire travel length. The nut design is compact and lightweight, contributing to reduced inertia in high-acceleration applications. Furthermore, the series is available with various preloading options, allowing engineers to fine-tune the system for zero backlash and optimal rigidity based on specific application requirements. The performance advantages are substantial and directly address the limitations of standard ball screws. The most notable benefit is a dramatic increase in operational life, often several times that of a traditional design, due to the near-elimination of wear. The consistent low friction translates to higher permissible rotational speeds and accelerations, boosting overall machine throughput. The stable torque characteristics ensure precise control and repeatability, which is critical for tasks like micro-machining or laser processing. Noise and vibration levels are significantly dampened by the caged design, creating a quieter operating environment, a valuable attribute in clean rooms or medical facilities. Typical applications for the THK DKN SERIES Caged Ball Screw are found wherever precision, speed, and reliability are non-negotiable. In industrial machinery, it is the drive component of choice for high-speed CNC machining centers, precision grinding machines, and semiconductor manufacturing equipment like wafer steppers and wire bonders, where nanometer-level positioning is standard. Within the automotive industry, these ball screws are integral to advanced robotic assembly and welding systems, automated paint lines, and high-speed precision testing rigs for components. In the realm of precision equipment, the DKN SERIES is deployed in medical devices such as MRI and CT scanners, laboratory automation systems, and optical positioning stages, where smooth, quiet, and maintenance-free operation is paramount for both performance and patient comfort.

THK's MBF SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, specifically engineered to address the demanding requirements of high-speed, high-load applications where reliability and accuracy are paramount. This innovative design incorporates a unique caged ball retainer system that fundamentally transforms ball-to-ball contact into controlled ball-to-cage contact, eliminating metal-on-metal collisions between adjacent balls during operation. The MBF SERIES achieves remarkable improvements in several critical performance areas through its proprietary cage structure, which maintains precise ball spacing throughout the entire recirculation path. The technical features of the MBF SERIES demonstrate THK's engineering excellence. The caged ball design dramatically reduces rotational torque fluctuations by up to one-third compared to conventional ball screws, providing exceptionally smooth motion characteristics even at high velocities. This torque stability translates directly to reduced vibration and noise levels, with acoustic measurements showing noise reduction of 5 to 10 decibels across the operating range. The series maintains the high precision standards THK is known for, achieving accuracy grades up to C3 while offering exceptional durability through optimized heat treatment processes and precision grinding of all critical surfaces. The cage structure itself is manufactured from advanced polymer composites specifically formulated for low friction, high wear resistance, and excellent dimensional stability under varying thermal conditions. Performance advantages extend beyond mere specifications. The elimination of ball-to-ball contact significantly reduces heat generation, allowing for higher permissible operating speeds without compromising service life or positional accuracy. This thermal management capability enables continuous duty cycles in demanding environments where conventional ball screws would require derating. The reduced torque variation permits more precise control at lower speeds, enhancing positioning resolution and repeatability for applications requiring fine incremental movements. Lubrication retention is substantially improved as the cage structure helps maintain proper oil film distribution across all rolling elements, extending relubrication intervals and reducing maintenance requirements. Typical applications for the MBF SERIES span multiple industries where precision motion control is critical. In industrial machinery, these ball screws excel in high-speed machining centers, providing the rapid traverse rates and positioning accuracy necessary for modern manufacturing processes. The automotive industry utilizes them in electric power steering systems, where smooth operation and reliability are essential for vehicle safety and driver comfort. Precision equipment manufacturers incorporate MBF ball screws into semiconductor manufacturing apparatus, medical imaging devices, and coordinate measuring machines where minimal vibration and consistent torque characteristics ensure measurement integrity and process stability. The series' ability to maintain performance under varying load conditions makes it particularly suitable for robotics applications, where acceleration forces and changing moment loads demand consistent response across the entire operating envelope.

The THK MDK SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. This innovative design incorporates a unique caged ball retainer system that fundamentally transforms the operational dynamics of traditional ball screws. By encapsulating each recirculating ball within an individual polymer cage, the MDK SERIES eliminates ball-to-ball contact, drastically reducing friction, heat generation, and torque fluctuation. This results in a remarkably smooth and quiet operation, even at high speeds, while simultaneously extending the component's service life by minimizing wear on critical contact surfaces. Key technical features of the MDK SERIES include its proprietary cage structure, which ensures stable ball circulation and prevents slippage during high-acceleration or deceleration cycles. The design allows for a significantly higher ball count within the nut compared to standard models, distributing the load more evenly and enabling a substantial increase in load capacity and rigidity. Furthermore, the caged system permits the use of a smaller, more compact nut housing without sacrificing performance, making it an ideal solution for applications with strict space constraints. The ball screw is manufactured to rigorous precision grades, ensuring minimal axial play and highly accurate positional repeatability, which is critical for precision machining and assembly processes. The performance advantages of the MDK SERIES are substantial. The reduction in friction directly translates to lower operational torque requirements, leading to energy savings and allowing for the use of smaller, more cost-effective drive motors. The enhanced thermal stability prevents performance degradation over prolonged operation, maintaining accuracy in temperature-variable environments. Its quiet operation is a distinct benefit in noise-sensitive settings like semiconductor cleanrooms or medical device manufacturing. The reliability and durability of the caged system also contribute to reduced maintenance intervals and lower total cost of ownership. Typical applications for the THK MDK SERIES Caged Ball Screw are found across industries where precision, reliability, and high-speed performance are paramount. In industrial machinery, it is extensively used in high-speed machining centers, CNC lathes, and precision grinding machines that demand exceptional contouring accuracy and surface finish quality. Within automotive manufacturing systems, these ball screws drive robotic welding arms, precision assembly robots, and automated material handling equipment, where their high-speed capability and long-term reliability are essential for maintaining production line throughput. In the realm of precision equipment, the MDK SERIES is integral to semiconductor lithography systems, precision measuring instruments, and medical imaging devices like CT and MRI scanners, where its smooth motion and sub-micron level accuracy are non-negotiable for achieving the required performance standards.

THK's SBK Series Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered specifically for applications demanding exceptional accuracy, reliability, and longevity. This model incorporates a unique caged ball design where the recirculating balls are separated and guided by a polymer retainer within the nut. This fundamental architectural difference from conventional ball screws eliminates metal-to-metal contact between the balls, drastically reducing friction, heat generation, and torque fluctuation. The result is a smoother, more consistent operation that is critical for high-precision positioning. The technical features of the SBK Series are meticulously designed to overcome the limitations of standard ball screws. The caged ball mechanism prevents ball-to-ball contact, which is a primary source of wear, noise, and vibration. This leads to a substantial increase in the operational life of the screw assembly, even under high-speed or continuous duty cycles. Furthermore, the design ensures more stable preload retention over time, maintaining the system's initial precision and backlash-free performance. The nut itself is compact and lightweight, contributing to space-saving designs and reduced moving mass, which enhances the dynamic response of the entire system. These screws are available in a range of accuracies and lead options to suit various application requirements. The performance advantages are immediately apparent in demanding industrial environments. The reduced friction and heat generation translate directly into lower operating temperatures, allowing for higher permissible speeds and feed rates without the risk of thermal degradation. The exceptional smoothness of motion minimizes vibration, which is paramount for achieving superior surface finishes in machining applications and for protecting sensitive instrumentation. The extended service life and maintenance-free operation, due to the effective containment of lubricant within the nut, significantly reduce total cost of ownership by minimizing downtime and replacement part costs. Typical applications for the THK SBK Series Caged Ball Screw are found wherever precision, speed, and reliability are non-negotiable. In industrial machinery, they are the driving force behind high-performance CNC machining centers, precision grinding machines, and semiconductor manufacturing equipment like wire bonders and steppers, where sub-micron level accuracy is required. Within automotive manufacturing systems, these components are integral to robotic assembly arms, precision welding apparatus, and automated inspection stations that demand repeatable, high-speed motion. In the realm of precision equipment, the SBK Series is indispensable for medical devices such as MRI and CT scanners, laboratory automation systems, and optical positioning stages, where smooth, quiet, and vibration-free actuation is critical to the integrity of the process or diagnosis. By delivering unparalleled precision and durability, the SBK Series enables technological progress across a broad spectrum of advanced industries.

THK's Ball Screw Precision, Caged Ball Screw Model SBN V SERIES represents a significant advancement in linear motion technology, engineered to deliver exceptional accuracy, durability, and efficiency in demanding industrial applications. This series incorporates a unique caged ball design, where precision-engineered cages securely retain the balls within the nut, effectively eliminating ball-to-ball contact during operation. This innovative approach minimizes friction, reduces heat generation, and substantially extends the operational lifespan of the screw assembly. The SBN V SERIES is manufactured with rigorous attention to detail, featuring high-precision ground threads that ensure consistent lead accuracy and minimal axial backlash, making it ideal for applications requiring repeatable, high-resolution positioning. Key technical features of the SBN V SERIES include its optimized ball circulation system, which enhances lubricant retention and distributes loads evenly across the ball tracks. This design not only improves smoothness of motion but also allows for higher maximum rotational speeds and dynamic load capacities compared to conventional ball screws. The series is available in a range of diameters and leads, with pre-loaded nut options to achieve near-zero backlash for critical precision tasks. Additionally, the use of high-grade steel and advanced surface treatments provides excellent resistance to wear and corrosion, ensuring reliable performance even in harsh environments. The compact nut design facilitates easy integration into space-constrained machinery, while standardized mounting configurations simplify installation and maintenance. Performance advantages of the SBN V SERIES are evident in its ability to maintain precision under high loads and speeds, resulting in improved machine throughput and product quality. The caged ball system reduces noise and vibration, contributing to a quieter and more stable operational environment. Energy efficiency is enhanced through lower torque requirements, which can lead to reduced power consumption and lower operating costs over time. The extended service intervals, thanks to improved lubrication retention and reduced wear, minimize downtime and maintenance expenses, providing a compelling return on investment for high-cycle applications. Typical applications for the THK SBN V SERIES span across various high-performance sectors. In industrial machinery, it is commonly employed in CNC machining centers, precision grinding machines, and semiconductor manufacturing equipment, where accuracy and reliability are paramount. Within automotive systems, these ball screws are integral to robotic welding arms, automated assembly lines, and precision testing apparatus, ensuring consistent quality and efficiency in production processes. In the realm of precision equipment, the SBN V SERIES finds use in medical devices such as MRI and CT scanners, optical positioning systems, and coordinate measuring machines, where smooth, precise linear motion is critical to functionality. By combining advanced engineering with proven reliability, the THK SBN V SERIES sets a benchmark for performance in linear motion systems, enabling innovations across multiple industries.

The THK WGF SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered to deliver exceptional accuracy, rigidity, and longevity in demanding applications. This model incorporates a unique caged ball design that fundamentally enhances performance by separating individual rolling elements within a dedicated retainer. This construction prevents ball-to-ball contact, drastically reducing friction, heat generation, and torque variation. The result is a smoother, more consistent operation with significantly lower noise levels compared to conventional ball screws. The WGF SERIES is manufactured to the highest tolerances, ensuring precise linear positioning and repeatability critical for modern automated systems. Key technical features define the superiority of the WGF SERIES. The caged ball mechanism not only minimizes friction but also eliminates the need for complex and space-consuming ball recirculation components, leading to a more compact and efficient nut design. This series is available in a range of accuracy grades, including precision (P) and high-precision (HP) classes, to meet diverse application requirements. The screws are crafted from high-grade steel and subjected to rigorous heat treatment processes to achieve superior surface hardness and core toughness, providing excellent resistance to wear and fatigue. Furthermore, the nut units are often pre-loaded to eliminate axial play, resulting in exceptional rigidity and near-zero backlash, which is paramount for high-precision machining and positioning tasks. The performance advantages of the WGF SERIES translate directly into operational benefits. The reduced friction and heat generation contribute to a longer service life and allow for higher permissible operating speeds and accelerations. The consistent torque ensures stable motion control, which is essential for maintaining quality in precision processes. Its high rigidity allows it to withstand heavy loads and moments while maintaining positional accuracy. These characteristics make the WGF SERIES exceptionally reliable, reducing maintenance intervals and total cost of ownership over its lifecycle. Typical applications for the THK WGF SERIES Caged Ball Screw are found wherever precision, reliability, and high-speed performance are non-negotiable. In industrial machinery, it is the driving component in high-speed machining centers, CNC lathes, grinding machines, and industrial robots, where it ensures precise tool positioning and smooth traverse motions. Within the automotive manufacturing sector, these ball screws are integral to automated assembly lines, precision welding robots, and high-speed pick-and-place systems. In the realm of precision equipment, the WGF SERIES is indispensable for semiconductor manufacturing apparatus, including wafer steppers and wire bonders, as well as in precision measuring instruments and medical diagnostic equipment where flawless, vibration-free motion is critical. Its robust design and superior performance make it the ideal solution for pushing the boundaries of speed and accuracy in automation.

THK's WHF SERIES Caged Ball Screw represents a significant advancement in precision linear motion technology, engineered specifically for applications demanding exceptional accuracy, high-speed performance, and long-term reliability. This model incorporates a unique caged ball design that fundamentally improves upon conventional ball screw systems by physically separating the recirculating balls within a polymer cage. This construction eliminates ball-to-ball contact, drastically reducing friction, heat generation, and torque fluctuation. The result is a smoother, quieter, and more efficient transfer of rotary motion into precise linear movement, even under extreme operational conditions. The technical features of the WHF SERIES are meticulously designed for superior performance. The caged ball mechanism not only minimizes noise and vibration but also allows for significantly higher maximum rotational speeds compared to standard designs. This is achieved without compromising the ball screw's critical preload, ensuring consistent positioning accuracy and rigidity. The series is available in a range of lead and accuracy grades, including precision-ground versions (C0 to C5) for ultra-high-precision tasks and rolled versions for cost-effective, high-volume applications. Enhanced sealing options are available to provide robust protection against contaminants like dust, chips, and moisture, making it suitable for harsh industrial environments. Furthermore, the optimized recirculation system within the cage ensures stable and reliable ball circulation, which is crucial for maintaining performance over millions of cycles. The performance advantages translate directly into tangible benefits for end-users. The dramatic reduction in friction leads to lower operational torque and energy consumption, contributing to overall system efficiency. The ability to operate at higher dN values (the product of screw shaft diameter and rotational speed) enables faster machine cycles, increasing throughput in automated systems. The exceptional smoothness of motion minimizes vibration transmitted to the end effector or tool, which is paramount for achieving high-quality surface finishes in machining or precise placement in assembly operations. The extended service life, a direct consequence of reduced wear and heat, lowers the total cost of ownership by decreasing the frequency of maintenance and replacement. Typical applications for the THK WHF SERIES Caged Ball Screw are found wherever precision, speed, and reliability are non-negotiable. In industrial machinery, it is the driving component in high-speed CNC machining centers, precision grinding machines, and semiconductor manufacturing equipment like wire bonders and steppers. Within the automotive industry, these ball screws are integral to robotic welding and assembly lines, precision testing rigs, and advanced brake-forming machines. In the realm of precision equipment, the WHF SERIES is indispensable for the accurate stages of coordinate measuring machines (CMMs), optical inspection systems, and medical devices such as DNA sequencers and automated analysis equipment, where micron-level accuracy and flawless repeatability are essential.

THK's SBKN Series Caged Ball Screws represent a significant advancement in precision linear motion technology, engineered to deliver exceptional performance in demanding industrial applications. Unlike conventional ball screws where balls circulate freely, the SBKN Series incorporates a unique caged ball design that precisely spaces and retains each ball within a polymer cage. This fundamental architectural difference eliminates ball-to-ball contact, dramatically reducing friction, heat generation, and torque fluctuation. The result is a smoother, quieter, and more consistent operation, even at high speeds. The technical features of the SBKN Series are tailored for superior reliability and longevity. The cage structure prevents ball crowding and skidding, which are common causes of wear and failure in standard ball screws. This leads to a substantial increase in operational life and a more predictable maintenance schedule. Furthermore, the reduction in friction directly translates to lower driving torque requirements, enhancing energy efficiency. The series is manufactured to exacting precision grades, ensuring high positional accuracy and repeatability critical for automated processes. Pre-loaded nut options are available to eliminate backlash, providing the rigidity needed for high-precision machining and positioning tasks. Performance advantages are most evident in high-duty cycle environments. The caged design's ability to manage heat and wear makes the SBKN Series ideal for applications involving rapid reciprocating motion or continuous operation. The stable torque characteristics contribute to smoother velocity control, reducing vibration and improving the quality of the end product. In terms of speed, these ball screws can operate at significantly higher dN values compared to their uncaged counterparts, enabling faster cycle times and increased throughput without sacrificing component life. Typical applications for the THK SBKN Caged Ball Screw span across critical sectors of modern manufacturing. In industrial machinery, they are the driving force behind high-speed CNC machining centers, precision grinding machines, and industrial robots, where accuracy, speed, and reliability are non-negotiable. Within automotive systems, these components are integral to automated assembly lines, precision welding equipment, and advanced brake forming machines. In the realm of precision equipment, the SBKN Series is found in semiconductor manufacturing apparatus, such as steppers and wire bonders, medical imaging devices like CT and MRI scanners, and various forms of precision measuring and inspection instruments. By providing a combination of high speed, long life, and unwavering precision, the THK SBKN Series establishes a new benchmark for performance in linear motion systems.